Issunboushi no Donnamondai

Issunboushi No Donnamondai is a 1986 action arcade game developed and published by Casio Computer for Microsoft MSX and MSX.

Players guide a little samurai in a boat along a stream filled with piranhas and floating tree trunks. The samurai can jump over obstacles and use a sword to deflect attacks, while enemies also move along the land beside the river.